# Geometry Forum

Geometry Help Forum: Euclidean, basic geometric proofs, volumes, perimeters

1. ### [SOLVED] Can Someone Answer This Math Test Question?

• Replies: 2
• Views: 700
Mar 20th 2011, 06:22 PM
2. ### locus

• Replies: 4
• Views: 1,070
Mar 20th 2011, 02:49 AM
3. ### Intersection of an ellipse and a parabola

• Replies: 1
• Views: 5,017
Mar 20th 2011, 02:43 AM
4. ### To find the points of intersection of a line that is perpendicular to two skew lines.

• Replies: 2
• Views: 4,380
Mar 19th 2011, 08:11 AM
5. ### Co-ordinate geometry!

• Replies: 4
• Views: 649
Mar 19th 2011, 06:18 AM
6. ### To find the equation of a line given it is contained in a plane and cuts another line

• Replies: 1
• Views: 1,263
Mar 18th 2011, 10:36 AM
7. ### Why does the pythagorean theorem work?

• Replies: 16
• Views: 8,216
Mar 18th 2011, 06:56 AM
8. ### Voronoi diagrams

• Replies: 0
• Views: 389
Mar 18th 2011, 04:12 AM
9. ### Rotations in Complex plane

• Replies: 1
• Views: 1,145
Mar 17th 2011, 12:17 PM
10. ### Augmented reality rotation & zoom (geometry problem)

• Replies: 0
• Views: 724
Mar 17th 2011, 06:01 AM
11. ### Need help finding the perimeter/area, or length of the missing side for each polygon

• Replies: 3
• Views: 1,691
Mar 16th 2011, 08:48 AM
12. ### Obtuse angles

• Replies: 4
• Views: 681
Mar 16th 2011, 08:38 AM
13. ### Help with a non-canonical ellipse needed

• Replies: 6
• Views: 1,729
Mar 15th 2011, 10:28 AM
14. ### Question about GEOMETRICAL CONSTRUCTION

• Replies: 3
• Views: 813
Mar 15th 2011, 03:52 AM
15. ### Solving parallelogram sides

• Replies: 2
• Views: 668
Mar 14th 2011, 04:39 PM
16. ### The height of the water in a rectangular aquarium

• Replies: 8
• Views: 478
Mar 14th 2011, 03:36 PM
17. ### What does the sign of each of the coordinates of a triangle tell you about the plane

• Replies: 2
• Views: 760
Mar 13th 2011, 07:41 AM
18. ### Another question of coordinate geometry of circles

• Replies: 4
• Views: 785
Mar 13th 2011, 04:29 AM
19. ### Graphing a circle

• Replies: 2
• Views: 513
Mar 12th 2011, 07:10 PM
20. ### Voronoi diagrams

• Replies: 1
• Views: 578
Mar 12th 2011, 05:27 PM
21. ### Question on coordinate geometry of circles

• Replies: 3
• Views: 812
Mar 12th 2011, 10:33 AM

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### cosx= .4583?

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